OpenTechnical

OT-2026-000099526

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000099526) never changes.

Identity and time

Publication numberOT-2026-000099526 · never reused
Internal UUID01a0aea2-c974-784d-95eb-367b7ce40196 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099526
StatusPUBLIC

Content hashes

Canonical text8b035b7c4b9c1833f9e4ef719c486fed38c2d4d8657fcba8983641d5637a497c
Markdown34d5f3ea9c938f03675dce9d67db7a69f635764e5529f787abd5a9a064150bad
PDF
Publication pagedaa49120d10a4779ee9d231067ab1cb36ef2c11dcc9eea7a8f0075e11bca8238
Manifestf48ef4158ad4e59b54b0460c6e77badcb3411744c9efedd4c6301b3176369777

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature21oY//IK3iWwNoa9bD2StF+0EGFz5AOG48E/6fMMSc5sKyLc8OrD7Da7/33lScSWIgmyHdiy+Wtmhr6RFI2tAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:25.583883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099526
observed daa49120d10a4779ee9d231067ab1cb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.566870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099526/manifest.json
observed f48ef4158ad4e59b54b0460c6e77badc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.549505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099526/publication.md
observed 34d5f3ea9c938f03675dce9d67db7a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.531866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099526/publication.txt
observed 8b035b7c4b9c1833f9e4ef719c486fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.